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      flak实现图片验证码(未完成)
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        <figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">MakeImgCode</span>(<span class="params">Resource</span>):</span></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">get</span>(<span class="params">self</span>):</span></span><br><span class="line">        req = reqparse.RequestParser()</span><br><span class="line">        req.add_argument(<span class="string">&#x27;key&#x27;</span>)</span><br><span class="line">        args = req.parse_args()</span><br><span class="line">        key = args.get(<span class="string">&#x27;key&#x27;</span>)</span><br><span class="line">        r = Redis(<span class="string">&#x27;localhost&#x27;</span>, <span class="number">6379</span>, decode_responses=<span class="literal">True</span>)</span><br><span class="line">        <span class="comment"># 获取验证码</span></span><br><span class="line">        code, img = CodeUtils.make_code_n()</span><br><span class="line">        <span class="comment"># 获取传过来的uuid</span></span><br><span class="line">        <span class="comment"># 将验证码存入redis数据库, 设置时间为60s</span></span><br><span class="line">        r.<span class="built_in">set</span>(key, code, <span class="number">60</span>)</span><br><span class="line">        resp = make_response(img)</span><br><span class="line">        resp.content_type = <span class="string">&quot;image/jpeg&quot;</span></span><br><span class="line">        <span class="keyword">return</span> resp</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Login</span>(<span class="params">Resource</span>):</span></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">post</span>(<span class="params">self</span>):</span></span><br><span class="line">        req = reqparse.RequestParser()</span><br><span class="line">        req.add_argument(<span class="string">&#x27;account&#x27;</span>)</span><br><span class="line">        req.add_argument(<span class="string">&#x27;password&#x27;</span>)</span><br><span class="line">        req.add_argument(<span class="string">&#x27;code&#x27;</span>)</span><br><span class="line">        req.add_argument(<span class="string">&#x27;key&#x27;</span>)</span><br><span class="line">        args = req.parse_args()</span><br><span class="line">        account = args.get(<span class="string">&#x27;account&#x27;</span>)</span><br><span class="line">        password = args.get(<span class="string">&#x27;password&#x27;</span>)</span><br><span class="line">        code = args.get(<span class="string">&#x27;code&#x27;</span>)</span><br><span class="line">        key = args.get(<span class="string">&#x27;key&#x27;</span>)</span><br><span class="line">        r = Redis(<span class="string">&#x27;localhost&#x27;</span>, <span class="number">6379</span>, decode_responses=<span class="literal">True</span>)</span><br><span class="line">        code_redis = r.get(key)</span><br><span class="line">        user = UsersModel.query.filter_by(account=account).first()</span><br><span class="line">        print(code, code_redis)</span><br><span class="line">        <span class="keyword">if</span> code.lower() != code_redis:</span><br><span class="line">            <span class="keyword">return</span> &#123;<span class="string">&#x27;message&#x27;</span>: <span class="string">&#x27;验证码错误&#x27;</span>&#125;</span><br><span class="line">        <span class="keyword">if</span> user.password == password:</span><br><span class="line">            token = generate_jwt(user.uid)</span><br><span class="line">            <span class="keyword">return</span> &#123;<span class="string">&#x27;message&#x27;</span>: <span class="string">&#x27;登录成功&#x27;</span>, <span class="string">&#x27;token&#x27;</span>: token, <span class="string">&#x27;code&#x27;</span>: <span class="number">200</span>&#125;</span><br><span class="line">        <span class="keyword">else</span>:</span><br><span class="line">            <span class="keyword">return</span> &#123;<span class="string">&#x27;message&#x27;</span>: <span class="string">&#x27;登录失败&#x27;</span>, <span class="string">&#x27;code&#x27;</span>: <span class="number">400</span>&#125;</span><br><span class="line"></span><br><span class="line"><span class="number">21</span>:<span class="number">34</span>:<span class="number">00</span></span><br><span class="line"><span class="keyword">import</span> random</span><br><span class="line"><span class="keyword">import</span> string</span><br><span class="line"><span class="keyword">from</span> captcha.image <span class="keyword">import</span> ImageCaptcha</span><br><span class="line"><span class="keyword">from</span> io <span class="keyword">import</span> BytesIO</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">CodeUtils</span>(<span class="params"><span class="built_in">object</span></span>):</span></span><br><span class="line"><span class="meta">    @staticmethod</span></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">make_code_n</span>():</span></span><br><span class="line">        code = <span class="string">&quot;&quot;</span>.join(random.sample(string.digits, <span class="number">4</span>))</span><br><span class="line">        <span class="comment"># 生成图片验证码</span></span><br><span class="line">        img_captcha = ImageCaptcha()</span><br><span class="line">        <span class="comment"># 生成图片</span></span><br><span class="line">        img = img_captcha.generate_image(code)</span><br><span class="line">        <span class="comment"># img.show()</span></span><br><span class="line">        <span class="comment"># 创建一个字节流</span></span><br><span class="line">        bytes_io = BytesIO()</span><br><span class="line">        <span class="comment"># 要把对象存入字节流对象</span></span><br><span class="line">        img.save(bytes_io, <span class="string">&quot;jpeg&quot;</span>)</span><br><span class="line">        <span class="keyword">return</span> code, bytes_io.getvalue()</span><br></pre></td></tr></table></figure>
      
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